Switching

I need to secure a VLAN (33) from the rest of my network. Devices in VLAN 33 only needs to communicate with a particular server/site on the Internet. Currently I have the following 4 VLANs setup. Interface Vlan32description inside firewallip address ...

This may sound a very basic Question but I have hard time to figure out .I am trying to order External & Internal Compact 1G Flash adaptor for Cisco 6509-E 720-3B SUP.I do have Internal Flash which is 512MB.whie I wanted to upgrade both to 1G .I have...

;Hi AllII have a Cisco 887W, The config commands I would normally use are not being accepted.I need assistance setting up the wireless onthe router.Is the a tool where I can check old version of IOS against a new version of IOS to see if the commands...

I've recently brought up a Nexus 4000 and to my suprise it is not behaving like a FEX.  I'm pretty sure sales mentioned that it would be able to be managed by my Nexus 5548 as if it were a 2148 FEX.  Is there an option for it to be either an autonomo...

Dear respected , I need consult , we are going to implement DHCP snooping along withc DAI ( Dynamic Arp Inspection ) in our Network , my doubt is what will happen when the switch power turned off and truned on again>>> after reloading the DHCP bind...

Dears I did the DHCP configuration for my CISCO 2960 switch but the clients are still not able to get the IPs.Please see the configuration below.(config)#ip dhcp database cisco.com(config)#pool test(config-if)#client client-id vlan 500(config-if)#ip ...

Hello,We are facing a situation on our inter-sites network. The concerned sites are represented in the visio file attached into this email.For a brief description of the inter-sites connections (please refer to the schema attached) : 3 sites are conc...

Hi,I have a Cisco 3550-12T and I have a few different machines plugged in for 1 gigabit connections. I seem to have a limit of 40MB/s to 45MB/s across machines. However the machines will run faster. For instance I plugged it into a dum Belkin 1Gigabi...

Hi,We have Cisco 4507-R installed at customer site which got hang twice and became normal after getting booted.I have analyzed show tech-support for this switch after reboting but not found relevant logs for hang issue,Attaching here show tech-suppor...

Hi ALL,What is meaning backup on HSRP statas?There are 5 vlans.The other four vlans aren't backup status.Only one of five vlans display messeages. When I reload Catalyst3750E-1,debug log is the fwolloing.Regards,Keiko (netowork Structure)++++++++++++...

Hi All, I have L2 vlan in my network for internet guest users which is totally separated with our corporate network by L2 vlans but they are sharing our access switches, now I am concerned about worms & virus in guest internet L2 network, if any kind...

I have this WS-X4148-RJ45V which I was using in my old Cisco 4006 with Sup WS-X4013. I moved this blade to a Cisco 4507 Chassis which is running SUP V and Phones no longer get the power from this blade.I understand that this is the Cisco Prestandard ...

I have  cisco3750 (core), 3550,3548, 2960, HP Procurve 2510 series, Extreme e250 series  swiches running in my network. Now all are running by default. Could you please suggest how can I  deploy rstp here?Or which is the best loopdetection protocol i...